NECO Mathematics Exam Past Questions and Answers

Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.

• Question 191: The median of a distribution can be estimated from Options:
  A) Barchart
  B) Cumulative frequency curve
  C) Frequency polygon
  D) Pictorial
  E) Pie chart
  Show Answer
  The correct answer is B.
• Question 192: If A = $\frac{1}{2}$h (a + b), make ‘a’ the subject of the formula Options:
  A) (2A – 2bh) ÷ b
  B) (2A – bh) ÷ h
  C) (2A – bh) ÷ b
  D) (A – 2bh) ÷ h
  E) (2A – h) ÷ bh
  Show Answer
  The correct answer is B.
• Question 193: The graph of cumulative frequency distribution is known as Options:
  A) an ogive
  B) a histogram
  C) a frequency polygon
  D) relative frequency
  E) none
  Show Answer
  The correct answer is A.
• Question 194: T varies inversely as the square root of F when T = 7, F = 2$\frac{1}{4}$. Find T when F = $\frac{27}{9}$ Options:
  A) 1.5
  B) 6.3
  C) 6.3
  D) 12.6
  E) 21
  Show Answer
  The correct answer is B.
• Question 195: Evaluate (2⁵ × 4^-2) ÷ (2^-3 × 2⁶) Options:
  A) 9
  B) 8
  C) 3
  D) $\frac{8}{9}$
  E) $\frac{1}{4}$
  Show Answer
  The correct answer is E.
• Question 196: If 5x - 3 = 4x - 7, what is the value 6x? Options:
  A) 24
  B) 6
  C) 4
  D) -4
  E) -24
  Show Answer
  The correct answer is E.
• Question 197:

  Which of the following properties is/are common to parallelograms and rectangles?

  I. all angles are right angles

  II. the diagonals are equals.

  III. the opposite sides are equal and parallel.

  Options:
  A) I and II
  B) I and III
  C) II and III
  D) I
  E) III
  Show Answer
  The correct answer is E.
• Question 198: P = {x:(x - 2)(x + 3) (x - 4)(x + 5) = 0}. The elements in P are Options:
  A) -5,-2, 3, 4
  B) -5, -3, 2, 4
  C) -5, -3, -2,4
  D) -4, -3, -2, 5
  E) 2, 3, 4, 5
  Show Answer
  The correct answer is B.
• Question 199: Find the value of log${}_{\sqrt{3}}$ 81 Options:
  A) 81
  B) 16
  C) 8
  D) 3
  E) $\sqrt{3}$
  Show Answer
  The correct answer is C.
• Question 200:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A.